APA (7th ed.) Citation

Roberts, K. L. (1938). Northwest passage. Doubleday, Doran.

Chicago Style (17th ed.) Citation

Roberts, Kenneth Lewis. Northwest Passage. Garden City, N. Y: Doubleday, Doran, 1938.

MLA (9th ed.) Citation

Roberts, Kenneth Lewis. Northwest Passage. Doubleday, Doran, 1938.

Warning: These citations may not always be 100% accurate.